package com.atguigu.gulimall.seckill.scheduled;

import com.atguigu.gulimall.seckill.service.SeckillService;
import lombok.extern.slf4j.Slf4j;
import org.redisson.api.RLock;
import org.redisson.api.RedissonClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;

import java.util.concurrent.TimeUnit;


/**
 * @Author qinchuxun
 * @Description 秒杀商品的定时上架,每天晚上三点:上架最近三天需要秒杀的商品
 * @Date 2020/9/8 0008 23:53
 **/
@Slf4j
@Service
public class SeckillSkuScheduled {

    @Autowired
    private SeckillService seckillService;

    @Autowired
    private RedissonClient redissonClient;

    private final String upload_lock = "seckill:upload:lock";


    @Scheduled(cron = "0 0 0 * * ?")
    public void uploadSeckillShuLatest3Days(){
        RLock lock = redissonClient.getLock(upload_lock);
        lock.lock(10, TimeUnit.SECONDS);
        try {
            //重复上架无需处理
            seckillService.uploadSeckillShuLatest3Days();
        } finally {
            lock.unlock();
        }
    }
}
